Charge of uniform density (3.5 nC/m) is distributed along the circular arc shown. Determine the electric potential (relative to zero at infinity) at point P
a.
61 V
b.
42 V
c.
52 V
d.
33 V
e.
22 V
d
You might also like to view...
In an air-free chamber, a pebble is thrown horizontally, and at the same instant a second pebble is dropped from the same height. Compare the times of fall of the two pebbles
A) The thrown pebble hits first. B) The dropped pebble hits first. C) They hit at the same time. D) We cannot tell without knowing which pebble is heavier.
It is generally believed that there are 7 days in a week because
a. there are 7 stars in the Big Dipper. b. it is necessary to have 52 weeks in a year. c. there are 7 visible bodies in the sky that move against the background of the fixed stars. d. it is easy to multiply by 7.
A brass cube, 10 cm on a side, is raised in temperature by 150°C. The coefficient of volume expansion of brass is 57 × 10^-6/°C. By what percentage is any one of the 10-cm edges increased in length?
a. 4% c. 0.38% b. 2.8% d. 0.29%
The main-sequence turnoff of a star cluster tell us the cluster's
A.) Age. B.) Mass. C.) Distance. D.) Composition. E.) Size.